assert(Address(Address6.loopback) == Address(Address6.loopback)); assert(Address(Address4.loopback) != Address(Address6.loopback));
assert(Address(Address4.loopback) == Address4.loopback); assert(Address(Address6.loopback) == Address6.loopback); assert(Address(Address4.loopback) != Address6.loopback);